[PATCH v2] ARM: dts: iwg22d: Enable SDHI0 controller

[Fabrizio Castro]

Enable the SDHI0 controller on iWave RZ/G1E carrier board.

Signed-off-by: Fabrizio Castro <fabrizio.cas...@bp.renesas.com>
Signed-off-by: Chris Paterson <chris.paters...@renesas.com>
---
 arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts 
b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
index aac84c6..8772c56 100644
--- a/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
+++ b/arch/arm/boot/dts/r8a7745-iwg22d-sodimm.dts
@@ -24,6 +24,19 @@
                bootargs = "ignore_loglevel rw root=/dev/nfs ip=dhcp";
                stdout-path = "serial0:115200n8";
        };
+
+       vccq_sdhi0: regulator-vccq-sdhi0 {
+               compatible = "regulator-gpio";
+
+               regulator-name = "SDHI0 VccQ";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+
+               gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
+               gpios-states = <1>;
+               states = <3300000 1
+                         1800000 0>;
+       };
 };
 
 &pfc {
@@ -36,6 +49,12 @@
                groups = "avb_mdio", "avb_gmii";
                function = "avb";
        };
+
+       sdhi0_pins: sd0 {
+               groups = "sdhi0_data4", "sdhi0_ctrl";
+               function = "sdhi0";
+               power-source = <3300>;
+       };
 };
 
 &scif4 {
@@ -63,3 +82,13 @@
                micrel,led-mode = <1>;
        };
 };
+
+&sdhi0 {
+       pinctrl-0 = <&sdhi0_pins>;
+       pinctrl-names = "default";
+
+       vmmc-supply = <&reg_3p3v>;
+       vqmmc-supply = <&vccq_sdhi0>;
+       cd-gpios = <&gpio6 6 GPIO_ACTIVE_LOW>;
+       status = "okay";
+};
-- 
2.7.4